Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.72
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -6.56 -0.375 2.46
Prot (kg) -7.24 -0.441 3.20
Fertility Sub Index 8.80
Calving Interval (days) -5.64 -1.459 8.23
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 1.94
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.96 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 21.52

* Based on an €80/tonne carbon price